1999 XJ187

1999XJ187, 41316, J99XI7J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ187 (41316)
a 2.99012
e 0.11072
i / sin(i) 11.7085 / 0.20293
q 2.65904
Q 3.32120
ω 256.3856
Node 64.1307
m 102.9466
n 0.1906
Epoch 2460800.5
nobs 4519
nopp 23
Years observed 1998-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.986
ep 0.089
sin(ip) 0.188
G 0.150
H 13.160
Mass
D 9.09 0.271
pV 0.178 0.0279
Value
Rotational Period 237.590
Period quality 2
Spectral Class S
Spectral Class Score 1.758
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.7400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9857 0.0893 0.1880 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.09 0.271 0.271 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.178 0.0279 0.0279 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
237.591 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.293 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT